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12
Maintenance
12.1
General
All monitoring, servicing and maintenance operations are to ensure correct functioning of the equipment;
they must be effected with utmost care.
Only "qualified persons" may do this work.
Servicing and maintenance work must only be done when the hoist is not loaded.
Records must be kept of all test results and measures taken.
12.2
Monitoring
The monitoring and servicing intervals stated are valid for operation under normal conditions and single-shift
operation. In case of severe operating conditions (e.g. frequent operation with full load) or special
environmental conditions (e.g., heat, dust, etc.), the intervals must be shortened correspondingly
12.3
Brake motor
Winch speed
Motor output
kW
I
1,4/5,5
II
2,2/9
III
2,5/12
12.4
Overload protection
If the hoist does not lift the permitted load, the overload protection must be adjusted. Adjustment may only be
done by a service company, authorised by the manufacturer!
DANGER!
The factory setting of the overload protection is secured by a seal. Any guarantee becomes invalid if this setting is
changed. Should maintenance be necessary, please contact a service company that is authorised by the
manufacturer.
DANGER!
The overload protection serves exclusively to protect against damage to the device due to overloading
when moving loads. Its function must not be integrated into the operational work process!
Depending on the type of hoist, the following variants are possible:
12.4.1
Electronic hoisting power limiter (as option, except serial AT)
Power consumption of the hoist motor is measured during lifting movement of a load
by an adjustable power measuring device (overload guard). The setting is made via a
separate relay for main and creep lifting speed. Power consumption of the motor is
load-dependent and increases with the load. If the set value is exceeded, the relay
responds and switches the motor off via switching elements. After the overload
protection has been activated the LOWER button must be pressed first so that the
LIFT function can be activated again. Before lifting again the load must be reduced to
the nominal load!
20
Brake
Brake
Nominal brake
moment
Type
V DC
Nm
BFK 12
180
32
FD 17
180
60
BFK 16
180
80
Nominal air gap
Air gap
Min. rotor
max.
strength
mm
mm
0,3
0,45
0,3
0,45
0,3
0,45
mm
8
11,5
8
Illustration 22
5.52.262.00.01.13
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